1020123231232 has 88 divisors (see below), whose sum is σ = 2467664460864. Its totient is φ = 411478228992.

The previous prime is 1020123231209. The next prime is 1020123231293. The reversal of 1020123231232 is 2321323210201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4063918 + ... + 4307629.

Almost surely, 2^{1020123231232} is an apocalyptic number.

It is an amenable number.

1020123231232 is an abundant number, since it is smaller than the sum of its proper divisors (1447541229632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020123231232 is an equidigital number, since it uses as much as digits as its factorization.

1020123231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8371591 (or 8371573 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1020123231232 its reverse (2321323210201), we get a palindrome (3341446441433).

The spelling of 1020123231232 in words is "one trillion, twenty billion, one hundred twenty-three million, two hundred thirty-one thousand, two hundred thirty-two".